Tamara has recelved multiple bids from general contractors to install a new pool in her backyard. How should she go
about selecting which contractor to use?
She should ignore the bids and rely on online reviews from past clients.
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She should sign with whoever bid the least amount of money
She should sign with whoever can handle the project independently without her input.
She should weigh the cost of the bid with the services offered.

True of false: the chancellor of a university has commissioned a team to collect data on students' gpas and the amount of time they spend bar hopping every week (measured in minutes). he wants to know if imposing much tougher regulations on all campus bars to make it more difficult for students to spend time in any campus bar will have a significant impact on general students' gpas. his team should use a t test on the slope of the population regression.